Good stuff
This is a simple but very accurate app. I’m currently flying a JetPROP DLX (-35) and find the speeds to be right on. It’s a worthwhile app to add to your flight planning bag of tricks.
$14.99
About
A pilot utility that calculates cruise torque, true airspeed, and fuel consumption for specific aircraft models. It uses data from official aircraft performance handbooks to provide quick reference for flight planning.
✓Calculates max speed cruise torque
✓Determines true airspeed
✓Estimates pounds per hour fuel consumption
✓Calculates NM/pound fuel efficiency
✓References official POH data
✓Allows flipping through torque settings
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What's New in Meridian / JetProp Torque
2.0.1
January 29, 2026
Version 2.0 - 2.0.1: * New, more modern user interface. * M600 had some incorrect data for Normal Cruise power (12,000 and 20,000 feet) and Intermediate - 1200 ft-lb cruise power (25,000 feet). * Minor bug fixes Version 1.9: * Show both Pounds and Gallons at the same time on the iPhone and iPad. Version 1.8: * Update Meridian Maximum Speed Cruise to use tables 5-67 through 5-73 circa September 2011. * Fixes bug with Meridian fuel flow at FL200 which caused bad fuel flows around that altitude. Version 1.7: * Added Apple Watch support for Piper M600, JetProp DLX (-35), JetProp DLX (-21). * Show ISA deviation in Apple Watch
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FAQ
What aircraft models does Meridian / JetProp Torque support?
Meridian / JetProp Torque supports the Piper Meridian, M600, M700, and JetProp DLX (-21 and -35) airplanes. It uses performance data specific to these models.
What kind of performance data does Meridian / JetProp Torque calculate?
The app calculates max speed cruise torque, true airspeed, pounds per hour fuel consumption, and nautical miles per pound of fuel. It allows users to see the effect of different torque settings.
Where does Meridian / JetProp Torque get its data from?
It uses calculations derived from tables and figures in the performance sections of the official Pilot Operating Handbooks (POHs) for the supported aircraft models. This includes data circa September 2011 for the Meridian and specific charts for M600 and JetProp DLX.
Is Meridian / JetProp Torque suitable for actual flight operations?
No, pilots should use Meridian / JetProp Torque solely for educational purposes. Always refer to your current Aircraft Flight Manual (AFM) or Pilot Operating Handbook (POH) for operating an aircraft, as it is the only authoritative source for torque information.
How often is Meridian / JetProp Torque updated?
The app was last updated on January 29, 2026, with version 2.0.1. This indicates a recent update, though the POHs themselves are updated regularly by manufacturers.
What is the price of Meridian / JetProp Torque?
Meridian / JetProp Torque is a paid application priced at $14.99. There are no in-app purchases or advertisements mentioned.
On which Apple devices can I use Meridian / JetProp Torque?
Meridian / JetProp Torque is supported on the Apple Watch, iPhone, and iPad, making it accessible across multiple personal devices.
What is the age rating for Meridian / JetProp Torque?
The app has an age rating of 4+, indicating it is suitable for a wide audience. It is designed for educational reference for pilots.
